| Cascais to Coudekerque-Branche | 1,026.60 mi (1,652.16 km) |
| Cascais to Coueron | 704.58 mi (1,133.91 km) |
| Cascais to Coulommiers | 934.40 mi (1,503.77 km) |
| Cascais to Courbevoic | 911.71 mi (1,467.26 km) |
| Cascais to Courcouronnes | 903.81 mi (1,454.54 km) |
| Cascais to Cournon-d'Auvergne | 806.68 mi (1,298.23 km) |
| Cascais to Courrieres | 1,012.15 mi (1,628.89 km) |
| Cascais to Coutras | 647.51 mi (1,042.07 km) |
| Cascais to Couzeix | 735.34 mi (1,183.41 km) |
| Cascais to Cran-Gevrier | 933.89 mi (1,502.95 km) |
| Cascais to Craponne | 870.00 mi (1,400.13 km) |
| Cascais to Creil | 936.95 mi (1,507.87 km) |
| Cascais to Crepy-en-Valois | 948.40 mi (1,526.31 km) |
| Cascais to Crest | 851.49 mi (1,370.34 km) |
| Cascais to Creteil | 913.08 mi (1,469.45 km) |
